feat: expose banner environment values to selector

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

docker-compose.yml

@@ -79,6 +79,9 @@ services:
       - HTTPS_PORT
       - IP_BIND
       - PROJECT_DIR=${PWD}
+      - NEXTCLOUD_ADMIN_USER=${NEXTCLOUD_ADMIN_USER:-admin}
+      - NEXTCLOUD_ADMIN_PASSWORD=${NEXTCLOUD_ADMIN_PASSWORD:-admin}
+      - VERSION_NEXTCLOUD=${VERSION_NEXTCLOUD:-master}
     restart: "no"
     depends_on:
       - nextcloud